1.(x-y)(x+y)
2. (a-b)(a+b)
3. (m-n)(m+n)
4. (x-5)(x+5)
5. (3c-6y)(3c+6y)
Объяснение:
1. =(x-y)(x+y)
2. =(a-b) (a+b)
3.= (m-n) (m+n)
4. =(x-5) (x+5)
5.=9 (c-2y) (c+2y)
1.(x-y)(x+y)
2. (a-b)(a+b)
3. (m-n)(m+n)
4. (x-5)(x+5)
5. (3c-6y)(3c+6y)
Объяснение:
1. =(x-y)(x+y)
2. =(a-b) (a+b)
3.= (m-n) (m+n)
4. =(x-5) (x+5)
5.=9 (c-2y) (c+2y)